202044440440 has 16 divisors (see below), whose sum is σ = 454599991080. Its totient is φ = 80817776160.

The previous prime is 202044440413. The next prime is 202044440443. The reversal of 202044440440 is 44044440202.

It is a junction number, because it is equal to n+sod(n) for n = 202044440399 and 202044440408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202044440443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525555466 + ... + 2525555545.

Almost surely, 2^202044440440 is an apocalyptic number.

202044440440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202044440440 is an abundant number, since it is smaller than the sum of its proper divisors (252555550640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202044440440 is a wasteful number, since it uses less digits than its factorization.

202044440440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051111022 (or 5051111018 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 202044440440 its reverse (44044440202), we get a palindrome (246088880642).

It can be divided in two parts, 20204 and 4440440, that added together give a palindrome (4460644).

The spelling of 202044440440 in words is "two hundred two billion, forty-four million, four hundred forty thousand, four hundred forty".